package com.yangluyao.test.syncAndReen;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * @author YLY
 * @ClassName synchronizedAndReentrantLockDemo
 * @Date 2020/5/13
 * @Version 1.0.2
 */
class ShareResource {
    private int number = 1;
    private Lock lock = new ReentrantLock();
    private Condition c1 = lock.newCondition();
    private Condition c2 = lock.newCondition();
    private Condition c3 = lock.newCondition();

    public void print5() {
        lock.lock();
        try {
            while (number != 1) {
                c1.await();
            }
            for (int i = 1; i <= 5; i++) {
                System.out.println(Thread.currentThread().getName() + "\t" + i);
            }
            number = 2;
            c2.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
    public void print10() {
        lock.lock();
        try {
            while (number != 2) {
                c2.await();
            }
            for (int i = 1; i <= 10; i++) {
                System.out.println(Thread.currentThread().getName() + "\t" + i);
            }
            number = 3;
            c3.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
    public void print15() {
        lock.lock();
        try {
            while (number != 3) {
                c3.await();
            }
            for (int i = 1; i <= 15; i++) {
                System.out.println(Thread.currentThread().getName() + "\t" + i);
            }
            number = 1;
            c1.signal();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
}

public class synchronizedAndReentrantLockDemo {
    public static void main(String[] args) {
        ShareResource shareResource = new ShareResource();
        new Thread(()->{
            for (int i = 1; i <=10 ; i++) {
                shareResource.print5();
            }
        },"AA").start();
        new Thread(()->{
            for (int i = 1; i <=10 ; i++) {
                shareResource.print10();
            }
        },"BB").start();
        new Thread(()->{
            for (int i = 1; i <=10 ; i++) {
                shareResource.print15();
            }
        },"CC").start();
    }
}
